D. Singh, M. K. Kaushik MBDCPC. Productivity & Economics of Single Cross Hybrid Maize (Zea Mays L.) Under Varying Level of Hydrogel Polymer and Fertility Levels under Rain Fed Conditions . Annals of RSCB [Internet]. 2021Aug.17 [cited 2026Apr.1];25(6):19397-402. Available from: http://annalsofrscb.ro/index.php/journal/article/view/9753